package 单例模式;
//饿汉式单例
public class Hungry {
    //一上来就创建对象，可能会浪费空间
    private byte[] data1 = new byte[1024*1024];
    private byte[] data2 = new byte[1024*1024];
    private byte[] data3 = new byte[1024*1024];
    private byte[] data4 = new byte[1024*1024];
    private Hungry() {
    }
    private final static Hungry HUNGRY= new Hungry();
    public static Hungry getInstance() {
        return HUNGRY;
    }

}
